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Can somebody help me with question 13 please.
Ch. 3 Questions: 2, 13 Problems: 6, 16, 36, 56 Ch. 4: Questions: 1 Problems: 3, 6, 8, 16 d s 12. For the vectors given in Problem 3.56, evaluate the quantity (- (R-S 13. If a protons position as a function of time is given by 2.00t3i-7.00t4j, with t in seconds and r in meters, what is its speed att 1.50s?
dinate system with tHe east. What are (a) the x component and ( What a successive displacements. What are (g) hat are (c) the x component and (d) the y compUllU e) the x component and (f) the y component of a32 x component, (h) the y component, (G) the magnitude, and (i) the direction of the net dis- particle is to return directly to the starting point, re ( nsider the ner displacement of the particle for the three g mo alo to the placement? If the (k) how far and (1) in what direction should it move? 56 Find the sum notation, and as (b) a magnitude and (c) an angle relative to +x. th th of the following four vectors in (a) unit-vector f P. 10.0 m, at 25.0° counterclockwise from +x Q: 12.0 m, at 10.0° counterclockwise from +y R: 8.00 m, at 20.0° clockwise from -y S: 9.00 m, at 40.0° counterclockwise from -y 57 SSM If B is added to A, the result is 6.0i+1.0j. If B is subtracted from A, the result is -4.0i +7.0j. What is the magnitude of A?
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